220210110091 has 4 divisors (see below), whose sum is σ = 220221892800. Its totient is φ = 220198327384.

The previous prime is 220210110083. The next prime is 220210110097. The reversal of 220210110091 is 190011012022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220210110091 - 2³ = 220210110083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220210110097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5863276 + ... + 5900713.

It is an arithmetic number, because the mean of its divisors is an integer number (55055473200).

Almost surely, 2^220210110091 is an apocalyptic number.

220210110091 is a deficient number, since it is larger than the sum of its proper divisors (11782709).

220210110091 is a wasteful number, since it uses less digits than its factorization.

220210110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782708.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 220210110091 in words is "two hundred twenty billion, two hundred ten million, one hundred ten thousand, ninety-one".